An Application of Time-Resolved Linear Dichroism Spectroscopy: The Excited Singlet State of 1,2:5,6-Dibenzanthracene
作者:
P.V. Poliakov,
B.R. Arnold,
期刊:
Spectroscopy Letters
(Taylor Available online 1999)
卷期:
Volume 32,
issue 5
页码: 747-762
ISSN:0038-7010
年代: 1999
DOI:10.1080/00387019909350023
出版商: Taylor & Francis Group
关键词: dibenz[a,h]anthracene;singlet excited state;transition moment vectors;singlet absorption;anisotropy decay;rotational relaxation.
数据来源: Taylor
摘要:
Time-resolved linear dichroism spectroscopy allows the relative transition moment vectors of the S1→ Sn, transitions to be obtained. This information can be used to aide in the assignment of the observed excited state and ground state transitions. The transition moment directions are constrained by the symmetry of the absorbing chromophore such that structural changes on the excited state surfaces can also be observed. The time dependence of the dichroism is related to the solution dynamics through the measurement of rotational correlation times. The spectroscopy of l,2:5,6-dibenzanthracene is presented as an example of these measurements.
点击下载:
PDF (625KB)
返 回